A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/02 (2006.01) A61K 8/73 (2006.01) A61K 8/81 (2006.01) A61Q 11/00 (2006.01)
Patent
CA 2583574
The invention relates to a one or multiple layered, film-like, adhesive preparation for the use in the oral cavity. Said preparation contains at least one polymethylvinylether-maleic acid-anhydride-copolymer, polyvinylacetate and/or at least one copolymer of the polyvinylacetate with fatty acid vinyl alcohol esters, in addition to at least one cosmetic and/or pharmaceutical active substance. The invention also relates to a method for the production of said type of preparations.
L'invention concerne une préparation adhésive de type film, à une ou plusieurs couches, destinée à être utilisée dans la cavité buccale. Cette préparation contient au moins un copolymère polyéther méthylvinylique-anhydride maléique, du polyacétate de vinyle et/ou au moins un copolymère du polyacétate de vinyle avec des esters d'alcool vinylique d'acides gras, ainsi qu'au moins un principe actif cosmétique et/ou pharmaceutique. L'invention concerne également un procédé servant à produire de telles préparations.
Botzem Petra
Laux Wolfgang
Blake Cassels & Graydon Llp
Lts Lohmann Therapie-Systeme Ag
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